Before doing that, I'd highly recommend reading http://biostat.mc.vanderbilt.edu/twiki/pub/Main/TatsukiRcode/Poster3.pdf
Hadley On Sat, Dec 11, 2010 at 8:43 AM, Ali Zanaty <[email protected]> wrote: > Dear All R users: > > I hope that this message finds all of you well. > > Currently, I am teaching an undergraduate course in statistics. > > If possible, Could you please help me out how to add plus/minus 1 standard > deviation added to each bar into R cluster bar chart. > > You can use the following artificial data. > > data cat 1 cat 2 > 23 1 1 > 45 1 1 > 34 1 1 > 5 1 1 > 32 1 1 > 44 1 1 > 3 2 1 > 1 2 1 > 2 2 1 > 3 2 1 > 4 2 1 > 5 1 2 > 6 1 2 > 7 1 2 > 8 1 2 > 544 2 2 > 78 2 2 > 543 2 2 > 34 2 2 > 89 2 2 > 9 1 3 > 43 1 3 > 23 1 3 > 45 1 3 > 7 1 3 > 5 1 3 > 7 1 3 > 6 2 3 > 867 2 3 > 3 2 3 > 4 2 3 > 5 2 3 > 6 2 3 > 7 2 3 > 8 2 3 > 9 2 3 > > I need to create a bar chart for the mean of data column for each category. I > know how to create the cluster bar chart. But I need your help with how to add > plus/minus 1 standard deviation into each bar. > > Thank you so much for your helps and for your attention to this matter, and I > look forward to hearing from you. > > > Regards, > > zanaty > > > > [[alternative HTML version deleted]] > > _______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-sig-teaching > -- Assistant Professor / Dobelman Family Junior Chair Department of Statistics / Rice University http://had.co.nz/ _______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-sig-teaching
